2 * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief code selection (transform FIRM into SPARC FIRM)
28 #include "irgraph_t.h"
39 #include "../benode.h"
41 #include "../beutil.h"
42 #include "../betranshlp.h"
43 #include "../beabihelper.h"
44 #include "bearch_sparc_t.h"
46 #include "sparc_nodes_attr.h"
47 #include "sparc_transform.h"
48 #include "sparc_new_nodes.h"
49 #include "gen_sparc_new_nodes.h"
51 #include "gen_sparc_regalloc_if.h"
52 #include "sparc_cconv.h"
56 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
58 static sparc_code_gen_t *env_cg;
59 static beabi_helper_env_t *abihelper;
60 static const arch_register_t *sp_reg = &sparc_gp_regs[REG_SP];
61 static const arch_register_t *fp_reg = &sparc_gp_regs[REG_FRAME_POINTER];
62 static calling_convention_t *cconv = NULL;
63 static ir_mode *mode_gp;
64 static ir_mode *mode_fp;
65 static pmap *node_to_stack;
67 static ir_node *gen_SymConst(ir_node *node);
70 static inline int mode_needs_gp_reg(ir_mode *mode)
72 return mode_is_int(mode) || mode_is_reference(mode);
76 * Create an And that will zero out upper bits.
78 * @param dbgi debug info
79 * @param block the basic block
80 * @param op the original node
81 * @param src_bits number of lower bits that will remain
83 static ir_node *gen_zero_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
87 return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
88 } else if (src_bits == 16) {
89 ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, 16);
90 ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, 16);
93 panic("zero extension only supported for 8 and 16 bits");
98 * Generate code for a sign extension.
100 * @param dbgi debug info
101 * @param block the basic block
102 * @param op the original node
103 * @param src_bits number of lower bits that will remain
105 static ir_node *gen_sign_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
108 int shift_width = 32 - src_bits;
109 ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, shift_width);
110 ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, shift_width);
115 * returns true if it is assured, that the upper bits of a node are "clean"
116 * which means for a 16 or 8 bit value, that the upper bits in the register
117 * are 0 for unsigned and a copy of the last significant bit for signed
120 static bool upper_bits_clean(ir_node *transformed_node, ir_mode *mode)
122 (void) transformed_node;
129 * Extend a value to 32 bit signed/unsigned depending on its mode.
131 * @param dbgi debug info
132 * @param block the basic block
133 * @param op the original node
134 * @param orig_mode the original mode of op
136 static ir_node *gen_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
139 int bits = get_mode_size_bits(orig_mode);
143 if (mode_is_signed(orig_mode)) {
144 return gen_sign_extension(dbgi, block, op, bits);
146 return gen_zero_extension(dbgi, block, op, bits);
151 * Creates a possible DAG for a constant.
153 static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
158 /* we need to load hi & lo separately */
159 if (value < -4096 || value > 4095) {
160 ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
161 result = new_bd_sparc_LoImm(dbgi, block, hi, value);
164 result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
165 be_dep_on_frame(result);
172 * Create a DAG constructing a given Const.
174 * @param irn a Firm const
176 static ir_node *create_const_graph(ir_node *irn, ir_node *block)
178 tarval *tv = get_Const_tarval(irn);
179 ir_mode *mode = get_tarval_mode(tv);
180 dbg_info *dbgi = get_irn_dbg_info(irn);
184 if (mode_is_reference(mode)) {
185 /* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
186 assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_gp));
187 tv = tarval_convert_to(tv, mode_gp);
190 value = get_tarval_long(tv);
191 return create_const_graph_value(dbgi, block, value);
196 MATCH_COMMUTATIVE = 1 << 0, /**< commutative operation. */
199 typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
200 typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
201 typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);
204 * checks if a node's value can be encoded as a immediate
207 static bool is_imm_encodeable(const ir_node *node)
211 //assert(mode_is_float_vector(get_irn_mode(node)));
216 val = get_tarval_long(get_Const_tarval(node));
218 return -4096 <= val && val <= 4095;
222 * helper function for binop operations
224 * @param new_reg register generation function ptr
225 * @param new_imm immediate generation function ptr
227 static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
228 new_binop_reg_func new_reg, new_binop_imm_func new_imm)
230 ir_node *block = be_transform_node(get_nodes_block(node));
231 ir_node *op1 = get_binop_left(node);
233 ir_node *op2 = get_binop_right(node);
235 dbg_info *dbgi = get_irn_dbg_info(node);
237 if (is_imm_encodeable(op2)) {
238 ir_node *new_op1 = be_transform_node(op1);
239 return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
242 new_op2 = be_transform_node(op2);
244 if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
245 return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
248 new_op1 = be_transform_node(op1);
250 return new_reg(dbgi, block, new_op1, new_op2);
254 * helper function for FP binop operations
256 static ir_node *gen_helper_binfpop(ir_node *node, ir_mode *mode,
257 new_binop_fp_func new_func)
259 ir_node *block = be_transform_node(get_nodes_block(node));
260 ir_node *op1 = get_binop_left(node);
261 ir_node *new_op1 = be_transform_node(op1);
262 ir_node *op2 = get_binop_right(node);
263 ir_node *new_op2 = be_transform_node(op2);
264 dbg_info *dbgi = get_irn_dbg_info(node);
266 return new_func(dbgi, block, new_op1, new_op2, mode);
270 * Creates an sparc Add.
272 * @param node FIRM node
273 * @return the created sparc Add node
275 static ir_node *gen_Add(ir_node *node)
277 ir_mode *mode = get_irn_mode(node);
279 if (mode_is_float(mode)) {
280 return gen_helper_binfpop(node, mode, new_bd_sparc_fadd);
283 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
287 * Creates an sparc Sub.
289 * @param node FIRM node
290 * @return the created sparc Sub node
292 static ir_node *gen_Sub(ir_node *node)
294 ir_mode *mode = get_irn_mode(node);
296 if (mode_is_float(mode)) {
297 return gen_helper_binfpop(node, mode, new_bd_sparc_fsub);
300 return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
306 * @param node the ir Load node
307 * @return the created sparc Load node
309 static ir_node *gen_Load(ir_node *node)
311 ir_mode *mode = get_Load_mode(node);
312 ir_node *block = be_transform_node(get_nodes_block(node));
313 ir_node *ptr = get_Load_ptr(node);
314 ir_node *new_ptr = be_transform_node(ptr);
315 ir_node *mem = get_Load_mem(node);
316 ir_node *new_mem = be_transform_node(mem);
317 dbg_info *dbgi = get_irn_dbg_info(node);
318 ir_node *new_load = NULL;
320 if (mode_is_float(mode)) {
321 new_load = new_bd_sparc_Ldf(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
323 new_load = new_bd_sparc_Ld(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
325 set_irn_pinned(new_load, get_irn_pinned(node));
331 * Transforms a Store.
333 * @param node the ir Store node
334 * @return the created sparc Store node
336 static ir_node *gen_Store(ir_node *node)
338 ir_node *block = be_transform_node(get_nodes_block(node));
339 ir_node *ptr = get_Store_ptr(node);
340 ir_node *new_ptr = be_transform_node(ptr);
341 ir_node *mem = get_Store_mem(node);
342 ir_node *new_mem = be_transform_node(mem);
343 ir_node *val = get_Store_value(node);
344 ir_node *new_val = be_transform_node(val);
345 ir_mode *mode = get_irn_mode(val);
346 dbg_info *dbgi = get_irn_dbg_info(node);
347 ir_node *new_store = NULL;
349 if (mode_is_float(mode)) {
350 new_store = new_bd_sparc_Stf(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
352 new_store = new_bd_sparc_St(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
354 set_irn_pinned(new_store, get_irn_pinned(node));
360 * Creates an sparc Mul.
361 * returns the lower 32bits of the 64bit multiply result
363 * @return the created sparc Mul node
365 static ir_node *gen_Mul(ir_node *node)
367 ir_mode *mode = get_irn_mode(node);
368 if (mode_is_float(mode)) {
369 return gen_helper_binfpop(node, mode, new_bd_sparc_fmul);
372 assert(mode_is_data(mode));
373 return gen_helper_binop(node, MATCH_COMMUTATIVE,
374 new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
378 * Creates an sparc Mulh.
379 * Mulh returns the upper 32bits of a mul instruction
381 * @return the created sparc Mulh node
383 static ir_node *gen_Mulh(ir_node *node)
385 ir_mode *mode = get_irn_mode(node);
387 ir_node *proj_res_hi;
389 if (mode_is_float(mode))
390 panic("FP not supported yet");
393 assert(mode_is_data(mode));
394 mul = gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
395 //arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
396 proj_res_hi = new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
401 * Creates an sparc Div.
403 * @return the created sparc Div node
405 static ir_node *gen_Div(ir_node *node)
407 ir_mode *mode = get_Div_resmode(node);
410 assert(!mode_is_float(mode));
411 if (mode_is_signed(mode)) {
412 res = gen_helper_binop(node, 0, new_bd_sparc_SDiv_reg,
413 new_bd_sparc_SDiv_imm);
415 res = gen_helper_binop(node, 0, new_bd_sparc_UDiv_reg,
416 new_bd_sparc_UDiv_imm);
421 static ir_node *gen_Quot(ir_node *node)
423 ir_mode *mode = get_Quot_resmode(node);
424 assert(mode_is_float(mode));
425 return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv);
429 * transform abs node:
437 static ir_node *gen_Abs(ir_node *node) {
438 ir_node *block = be_transform_node(get_nodes_block(node));
439 ir_mode *mode = get_irn_mode(node);
440 dbg_info *dbgi = get_irn_dbg_info(node);
441 ir_node *op = get_Abs_op(node);
443 ir_node *mov, *sra, *xor, *sub, *new_op;
445 if (mode_is_float(mode))
446 panic("FP not supported yet");
448 new_op = be_transform_node(op);
450 mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
451 sra = new_bd_sparc_Sra_imm(dbgi, block, mov, 31);
452 xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
453 sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);
459 * Transforms a Not node.
461 * @return the created sparc Not node
463 static ir_node *gen_Not(ir_node *node)
465 ir_node *block = be_transform_node(get_nodes_block(node));
466 ir_node *op = get_Not_op(node);
467 ir_node *new_op = be_transform_node(op);
468 dbg_info *dbgi = get_irn_dbg_info(node);
470 return new_bd_sparc_Not(dbgi, block, new_op);
473 static ir_node *gen_And(ir_node *node)
475 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
478 static ir_node *gen_Or(ir_node *node)
480 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
483 static ir_node *gen_Eor(ir_node *node)
485 return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
488 static ir_node *gen_Shl(ir_node *node)
490 return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
493 static ir_node *gen_Shr(ir_node *node)
495 return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
498 static ir_node *gen_Shrs(ir_node *node)
500 return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
504 * Transforms a Minus node.
506 static ir_node *gen_Minus(ir_node *node)
508 ir_node *block = be_transform_node(get_nodes_block(node));
509 ir_node *op = get_Minus_op(node);
510 ir_node *new_op = be_transform_node(op);
511 dbg_info *dbgi = get_irn_dbg_info(node);
512 ir_mode *mode = get_irn_mode(node);
514 if (mode_is_float(mode)) {
515 return new_bd_sparc_fneg(dbgi, block, new_op, mode);
518 return new_bd_sparc_Minus(dbgi, block, new_op);
521 static ir_node *make_addr(dbg_info *dbgi, ir_entity *entity)
523 ir_node *block = get_irg_start_block(current_ir_graph);
524 ir_node *node = new_bd_sparc_SymConst(dbgi, block, entity);
525 be_dep_on_frame(node);
530 * Create an entity for a given (floating point) tarval
532 static ir_entity *create_float_const_entity(tarval *tv)
534 ir_entity *entity = (ir_entity*) pmap_get(env_cg->constants, tv);
535 ir_initializer_t *initializer;
543 mode = get_tarval_mode(tv);
544 type = get_type_for_mode(mode);
545 glob = get_glob_type();
546 entity = new_entity(glob, id_unique("C%u"), type);
547 set_entity_visibility(entity, ir_visibility_private);
548 add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
550 initializer = create_initializer_tarval(tv);
551 set_entity_initializer(entity, initializer);
553 pmap_insert(env_cg->constants, tv, entity);
558 * Transforms a Const node.
560 * @param node the ir Const node
561 * @return The transformed sparc node.
563 static ir_node *gen_Const(ir_node *node)
565 ir_node *block = be_transform_node(get_nodes_block(node));
566 ir_mode *mode = get_irn_mode(node);
568 if (mode_is_float(mode)) {
569 dbg_info *dbgi = get_irn_dbg_info(node);
570 tarval *tv = get_Const_tarval(node);
571 ir_entity *entity = create_float_const_entity(tv);
572 ir_node *addr = make_addr(dbgi, entity);
573 ir_node *mem = new_NoMem();
575 = new_bd_sparc_Ldf(dbgi, block, addr, mem, mode, NULL, 0, 0, false);
577 ir_node *proj = new_Proj(new_op, mode, pn_sparc_Ldf_res);
581 return create_const_graph(node, block);
586 * @param node the ir AddSP node
587 * @return transformed sparc SAVE node
589 static ir_node *gen_be_AddSP(ir_node *node)
591 ir_node *block = be_transform_node(get_nodes_block(node));
592 ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
593 ir_node *new_sz = be_transform_node(sz);
594 ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
595 ir_node *new_sp = be_transform_node(sp);
596 dbg_info *dbgi = get_irn_dbg_info(node);
597 ir_node *nomem = new_NoMem();
600 /* SPARC stack grows in reverse direction */
601 new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
608 * @param node the ir SubSP node
609 * @return transformed sparc SAVE node
611 static ir_node *gen_be_SubSP(ir_node *node)
613 ir_node *block = be_transform_node(get_nodes_block(node));
614 ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
615 ir_node *new_sz = be_transform_node(sz);
616 ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
617 ir_node *new_sp = be_transform_node(sp);
618 dbg_info *dbgi = get_irn_dbg_info(node);
619 ir_node *nomem = new_NoMem();
622 /* SPARC stack grows in reverse direction */
623 new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);
628 * transform FrameAddr
630 static ir_node *gen_be_FrameAddr(ir_node *node)
632 ir_node *block = be_transform_node(get_nodes_block(node));
633 ir_entity *ent = be_get_frame_entity(node);
634 ir_node *fp = be_get_FrameAddr_frame(node);
635 ir_node *new_fp = be_transform_node(fp);
636 dbg_info *dbgi = get_irn_dbg_info(node);
638 new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
643 * Transform a be_Copy.
645 static ir_node *gen_be_Copy(ir_node *node)
647 ir_node *result = be_duplicate_node(node);
648 ir_mode *mode = get_irn_mode(result);
650 if (mode_needs_gp_reg(mode)) {
651 set_irn_mode(node, mode_gp);
660 static ir_node *gen_be_Call(ir_node *node)
662 ir_node *res = be_duplicate_node(node);
663 arch_irn_add_flags(res, arch_irn_flags_modify_flags);
668 * Transforms a Switch.
671 static ir_node *gen_SwitchJmp(ir_node *node)
673 ir_node *block = be_transform_node(get_nodes_block(node));
674 ir_node *selector = get_Cond_selector(node);
675 dbg_info *dbgi = get_irn_dbg_info(node);
676 ir_node *new_op = be_transform_node(selector);
677 ir_node *const_graph;
681 const ir_edge_t *edge;
688 foreach_out_edge(node, edge) {
689 proj = get_edge_src_irn(edge);
690 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
692 pn = get_Proj_proj(proj);
694 min = pn<min ? pn : min;
695 max = pn>max ? pn : max;
699 n_projs = max - translation + 1;
701 foreach_out_edge(node, edge) {
702 proj = get_edge_src_irn(edge);
703 assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
705 pn = get_Proj_proj(proj) - translation;
706 set_Proj_proj(proj, pn);
709 const_graph = create_const_graph_value(dbgi, block, translation);
710 sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
711 return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
714 static ir_mode *get_cmp_mode(ir_node *b_value)
719 if (!is_Proj(b_value))
720 panic("can't determine cond signednes");
721 pred = get_Proj_pred(b_value);
723 panic("can't determine cond signednes (no cmp)");
724 op = get_Cmp_left(pred);
725 return get_irn_mode(op);
729 * Transform Cond nodes
731 static ir_node *gen_Cond(ir_node *node)
733 ir_node *selector = get_Cond_selector(node);
734 ir_mode *mode = get_irn_mode(selector);
743 if (mode != mode_b) {
744 return gen_SwitchJmp(node);
747 // regular if/else jumps
748 assert(is_Proj(selector));
749 assert(is_Cmp(get_Proj_pred(selector)));
751 cmp_mode = get_cmp_mode(selector);
753 block = be_transform_node(get_nodes_block(node));
754 dbgi = get_irn_dbg_info(node);
755 flag_node = be_transform_node(get_Proj_pred(selector));
756 pnc = get_Proj_proj(selector);
757 is_unsigned = !mode_is_signed(cmp_mode);
758 if (mode_is_float(cmp_mode)) {
759 assert(!is_unsigned);
760 return new_bd_sparc_fbfcc(dbgi, block, flag_node, pnc);
762 return new_bd_sparc_Bicc(dbgi, block, flag_node, pnc, is_unsigned);
769 static ir_node *gen_Cmp(ir_node *node)
771 ir_node *block = be_transform_node(get_nodes_block(node));
772 ir_node *op1 = get_Cmp_left(node);
773 ir_node *op2 = get_Cmp_right(node);
774 ir_mode *cmp_mode = get_irn_mode(op1);
775 dbg_info *dbgi = get_irn_dbg_info(node);
776 ir_node *new_op1 = be_transform_node(op1);
777 ir_node *new_op2 = be_transform_node(op2);
778 assert(get_irn_mode(op2) == cmp_mode);
780 if (mode_is_float(cmp_mode)) {
781 return new_bd_sparc_fcmp(dbgi, block, new_op1, new_op2, cmp_mode);
784 /* integer compare */
785 new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
786 new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
787 return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2);
791 * Transforms a SymConst node.
793 static ir_node *gen_SymConst(ir_node *node)
795 ir_entity *entity = get_SymConst_entity(node);
796 dbg_info *dbgi = get_irn_dbg_info(node);
798 return make_addr(dbgi, entity);
802 * Transforms a Conv node.
805 static ir_node *gen_Conv(ir_node *node)
807 ir_node *block = be_transform_node(get_nodes_block(node));
808 ir_node *op = get_Conv_op(node);
809 ir_node *new_op = be_transform_node(op);
810 ir_mode *src_mode = get_irn_mode(op);
811 ir_mode *dst_mode = get_irn_mode(node);
812 dbg_info *dbg = get_irn_dbg_info(node);
814 int src_bits = get_mode_size_bits(src_mode);
815 int dst_bits = get_mode_size_bits(dst_mode);
817 if (src_mode == dst_mode)
820 if (mode_is_float(src_mode) || mode_is_float(dst_mode)) {
821 assert((src_bits <= 64 && dst_bits <= 64) && "quad FP not implemented");
823 if (mode_is_float(src_mode)) {
824 if (mode_is_float(dst_mode)) {
825 /* float -> float conv */
826 return new_bd_sparc_fftof(dbg, block, new_op, src_mode, dst_mode);
828 /* float -> int conv */
829 if (!mode_is_signed(dst_mode))
830 panic("float to unsigned not implemented yet");
831 return new_bd_sparc_fftoi(dbg, block, new_op, src_mode);
834 /* int -> float conv */
835 if (!mode_is_signed(src_mode))
836 panic("unsigned to float not implemented yet");
837 return new_bd_sparc_fitof(dbg, block, new_op, dst_mode);
839 } else { /* complete in gp registers */
843 if (src_bits == dst_bits) {
844 /* kill unnecessary conv */
848 if (src_bits < dst_bits) {
856 if (upper_bits_clean(new_op, min_mode)) {
860 if (mode_is_signed(min_mode)) {
861 return gen_sign_extension(dbg, block, new_op, min_bits);
863 return gen_zero_extension(dbg, block, new_op, min_bits);
868 static ir_node *gen_Unknown(ir_node *node)
870 ir_node *block = get_nodes_block(node);
871 ir_node *new_block = be_transform_node(block);
872 dbg_info *dbgi = get_irn_dbg_info(node);
874 /* just produce a 0 */
875 ir_mode *mode = get_irn_mode(node);
876 if (mode_is_float(mode)) {
877 panic("FP not implemented");
878 be_dep_on_frame(node);
880 } else if (mode_needs_gp_reg(mode)) {
881 return create_const_graph_value(dbgi, new_block, 0);
884 panic("Unexpected Unknown mode");
888 * Produces the type which sits between the stack args and the locals on the
891 static ir_type *sparc_get_between_type(void)
893 static ir_type *between_type = NULL;
895 if (between_type == NULL) {
896 between_type = new_type_class(new_id_from_str("sparc_between_type"));
897 set_type_size_bytes(between_type, SPARC_MIN_STACKSIZE);
903 static void create_stacklayout(ir_graph *irg)
905 ir_entity *entity = get_irg_entity(irg);
906 ir_type *function_type = get_entity_type(entity);
907 be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
912 /* calling conventions must be decided by now */
913 assert(cconv != NULL);
915 /* construct argument type */
916 arg_type = new_type_struct(id_mangle_u(get_entity_ident(entity), new_id_from_chars("arg_type", 8)));
917 n_params = get_method_n_params(function_type);
918 for (p = 0; p < n_params; ++p) {
919 reg_or_stackslot_t *param = &cconv->parameters[p];
923 if (param->type == NULL)
926 snprintf(buf, sizeof(buf), "param_%d", p);
927 id = new_id_from_str(buf);
928 param->entity = new_entity(arg_type, id, param->type);
929 set_entity_offset(param->entity, param->offset);
932 memset(layout, 0, sizeof(*layout));
934 layout->frame_type = get_irg_frame_type(irg);
935 layout->between_type = sparc_get_between_type();
936 layout->arg_type = arg_type;
937 layout->initial_offset = 0;
938 layout->initial_bias = 0;
939 layout->stack_dir = -1;
940 layout->sp_relative = false;
942 assert(N_FRAME_TYPES == 3);
943 layout->order[0] = layout->frame_type;
944 layout->order[1] = layout->between_type;
945 layout->order[2] = layout->arg_type;
949 * transform the start node to the prolog code + initial barrier
951 static ir_node *gen_Start(ir_node *node)
953 ir_graph *irg = get_irn_irg(node);
954 ir_entity *entity = get_irg_entity(irg);
955 ir_type *function_type = get_entity_type(entity);
956 ir_node *block = get_nodes_block(node);
957 ir_node *new_block = be_transform_node(block);
958 dbg_info *dbgi = get_irn_dbg_info(node);
967 /* stackpointer is important at function prolog */
968 be_prolog_add_reg(abihelper, sp_reg,
969 arch_register_req_type_produces_sp | arch_register_req_type_ignore);
970 /* function parameters in registers */
971 for (i = 0; i < get_method_n_params(function_type); ++i) {
972 const reg_or_stackslot_t *param = &cconv->parameters[i];
973 if (param->reg0 != NULL)
974 be_prolog_add_reg(abihelper, param->reg0, 0);
975 if (param->reg1 != NULL)
976 be_prolog_add_reg(abihelper, param->reg1, 0);
979 start = be_prolog_create_start(abihelper, dbgi, new_block);
981 mem = be_prolog_get_memory(abihelper);
982 sp = be_prolog_get_reg_value(abihelper, sp_reg);
983 save = new_bd_sparc_Save(NULL, block, sp, mem, SPARC_MIN_STACKSIZE);
984 fp = new_r_Proj(save, mode_gp, pn_sparc_Save_frame);
985 sp = new_r_Proj(save, mode_gp, pn_sparc_Save_stack);
986 mem = new_r_Proj(save, mode_M, pn_sparc_Save_mem);
987 arch_set_irn_register(fp, fp_reg);
988 arch_set_irn_register(sp, sp_reg);
990 be_prolog_add_reg(abihelper, fp_reg, arch_register_req_type_ignore);
991 be_prolog_set_reg_value(abihelper, fp_reg, fp);
993 sp = be_new_IncSP(sp_reg, new_block, sp, BE_STACK_FRAME_SIZE_EXPAND, 0);
994 be_prolog_set_reg_value(abihelper, sp_reg, sp);
995 be_prolog_set_memory(abihelper, mem);
997 barrier = be_prolog_create_barrier(abihelper, new_block);
1002 static ir_node *get_stack_pointer_for(ir_node *node)
1004 /* get predecessor in stack_order list */
1005 ir_node *stack_pred = be_get_stack_pred(abihelper, node);
1006 ir_node *stack_pred_transformed;
1009 if (stack_pred == NULL) {
1010 /* first stack user in the current block. We can simply use the
1011 * initial sp_proj for it */
1012 ir_node *sp_proj = be_prolog_get_reg_value(abihelper, sp_reg);
1016 stack_pred_transformed = be_transform_node(stack_pred);
1017 stack = pmap_get(node_to_stack, stack_pred);
1018 if (stack == NULL) {
1019 return get_stack_pointer_for(stack_pred);
1026 * transform a Return node into epilogue code + return statement
1028 static ir_node *gen_Return(ir_node *node)
1030 ir_node *block = get_nodes_block(node);
1031 ir_node *new_block = be_transform_node(block);
1032 dbg_info *dbgi = get_irn_dbg_info(node);
1033 ir_node *mem = get_Return_mem(node);
1034 ir_node *new_mem = be_transform_node(mem);
1035 ir_node *sp_proj = get_stack_pointer_for(node);
1036 int n_res = get_Return_n_ress(node);
1041 be_epilog_begin(abihelper);
1042 be_epilog_set_memory(abihelper, new_mem);
1043 /* connect stack pointer with initial stack pointer. fix_stack phase
1044 will later serialize all stack pointer adjusting nodes */
1045 be_epilog_add_reg(abihelper, sp_reg,
1046 arch_register_req_type_produces_sp | arch_register_req_type_ignore,
1050 for (i = 0; i < n_res; ++i) {
1051 ir_node *res_value = get_Return_res(node, i);
1052 ir_node *new_res_value = be_transform_node(res_value);
1053 const reg_or_stackslot_t *slot = &cconv->results[i];
1054 const arch_register_t *reg = slot->reg0;
1055 assert(slot->reg1 == NULL);
1056 be_epilog_add_reg(abihelper, reg, 0, new_res_value);
1059 /* create the barrier before the epilog code */
1060 be_epilog_create_barrier(abihelper, new_block);
1062 /* epilog code: an incsp */
1063 sp_proj = be_epilog_get_reg_value(abihelper, sp_reg);
1064 incsp = be_new_IncSP(sp_reg, new_block, sp_proj,
1065 BE_STACK_FRAME_SIZE_SHRINK, 0);
1066 be_epilog_set_reg_value(abihelper, sp_reg, incsp);
1068 bereturn = be_epilog_create_return(abihelper, dbgi, new_block);
1073 static ir_node *bitcast_int_to_float(dbg_info *dbgi, ir_node *block,
1076 ir_graph *irg = current_ir_graph;
1077 ir_node *stack = get_irg_frame(irg);
1078 ir_node *nomem = new_NoMem();
1079 ir_node *st = new_bd_sparc_St(dbgi, block, stack, node, nomem, mode_gp,
1082 set_irn_pinned(st, op_pin_state_floats);
1084 ldf = new_bd_sparc_Ldf(dbgi, block, stack, st, mode_fp, NULL, 0, 0, true);
1085 set_irn_pinned(ldf, op_pin_state_floats);
1087 return new_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
1090 static ir_node *bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
1093 ir_graph *irg = current_ir_graph;
1094 ir_node *stack = get_irg_frame(irg);
1095 ir_node *nomem = new_NoMem();
1096 ir_node *stf = new_bd_sparc_Stf(dbgi, block, stack, node, nomem, mode_fp,
1099 set_irn_pinned(stf, op_pin_state_floats);
1101 ld = new_bd_sparc_Ld(dbgi, block, stack, stf, mode_gp, NULL, 0, 0, true);
1102 set_irn_pinned(ld, op_pin_state_floats);
1104 return new_Proj(ld, mode_fp, pn_sparc_Ld_res);
1107 static ir_node *gen_Call(ir_node *node)
1109 ir_graph *irg = get_irn_irg(node);
1110 ir_node *callee = get_Call_ptr(node);
1111 ir_node *block = get_nodes_block(node);
1112 ir_node *new_block = be_transform_node(block);
1113 ir_node *mem = get_Call_mem(node);
1114 ir_node *new_mem = be_transform_node(mem);
1115 dbg_info *dbgi = get_irn_dbg_info(node);
1116 ir_type *type = get_Call_type(node);
1117 int n_params = get_Call_n_params(node);
1118 int n_param_regs = sizeof(param_regs)/sizeof(param_regs[0]);
1119 /* max inputs: memory, callee, register arguments */
1120 int max_inputs = 2 + n_param_regs;
1121 ir_node **in = ALLOCAN(ir_node*, max_inputs);
1122 ir_node **sync_ins = ALLOCAN(ir_node*, max_inputs);
1123 struct obstack *obst = be_get_be_obst(irg);
1124 const arch_register_req_t **in_req
1125 = OALLOCNZ(obst, const arch_register_req_t*, max_inputs);
1126 calling_convention_t *cconv
1127 = sparc_decide_calling_convention(type, true);
1131 = sizeof(caller_saves)/sizeof(caller_saves[0]);
1132 ir_entity *entity = NULL;
1133 ir_node *new_frame = get_stack_pointer_for(node);
1142 assert(n_params == get_method_n_params(type));
1144 /* construct arguments */
1147 in_req[in_arity] = arch_no_register_req;
1151 /* stack pointer input */
1152 /* construct an IncSP -> we have to always be sure that the stack is
1153 * aligned even if we don't push arguments on it */
1154 incsp = be_new_IncSP(sp_reg, new_block, new_frame,
1155 cconv->param_stack_size, 1);
1156 in_req[in_arity] = sp_reg->single_req;
1157 in[in_arity] = incsp;
1161 for (p = 0; p < n_params; ++p) {
1162 ir_node *value = get_Call_param(node, p);
1163 ir_node *new_value = be_transform_node(value);
1164 ir_node *new_value1 = NULL;
1165 const reg_or_stackslot_t *param = &cconv->parameters[p];
1166 ir_type *param_type = get_method_param_type(type, p);
1167 ir_mode *mode = get_type_mode(param_type);
1170 if (mode_is_float(mode) && param->reg0 != NULL) {
1171 unsigned size_bits = get_mode_size_bits(mode);
1172 assert(size_bits == 32);
1173 new_value = bitcast_float_to_int(dbgi, new_block, new_value);
1176 /* put value into registers */
1177 if (param->reg0 != NULL) {
1178 in[in_arity] = new_value;
1179 in_req[in_arity] = param->reg0->single_req;
1181 if (new_value1 == NULL)
1184 if (param->reg1 != NULL) {
1185 assert(new_value1 != NULL);
1186 in[in_arity] = new_value1;
1187 in_req[in_arity] = param->reg1->single_req;
1192 /* we need a store if we're here */
1193 if (new_value1 != NULL) {
1194 new_value = new_value1;
1198 /* create a parameter frame if necessary */
1199 if (mode_is_float(mode)) {
1200 str = new_bd_sparc_Stf(dbgi, new_block, incsp, new_value, new_mem,
1201 mode, NULL, 0, param->offset, true);
1203 str = new_bd_sparc_St(dbgi, new_block, incsp, new_value, new_mem,
1204 mode, NULL, 0, param->offset, true);
1206 sync_ins[sync_arity++] = str;
1208 assert(in_arity <= max_inputs);
1210 /* construct memory input */
1211 if (sync_arity == 0) {
1212 in[mem_pos] = new_mem;
1213 } else if (sync_arity == 1) {
1214 in[mem_pos] = sync_ins[0];
1216 in[mem_pos] = new_rd_Sync(NULL, new_block, sync_arity, sync_ins);
1219 if (is_SymConst(callee)) {
1220 entity = get_SymConst_entity(callee);
1222 in[in_arity] = be_transform_node(callee);
1223 in_req[in_arity] = sparc_reg_classes[CLASS_sparc_gp].class_req;
1231 out_arity = 1 + n_caller_saves;
1233 /* create call node */
1234 if (entity != NULL) {
1235 res = new_bd_sparc_Call_imm(dbgi, new_block, in_arity, in, out_arity,
1238 res = new_bd_sparc_Call_reg(dbgi, new_block, in_arity, in, out_arity);
1240 set_sparc_in_req_all(res, in_req);
1242 /* create output register reqs */
1244 arch_set_out_register_req(res, o++, arch_no_register_req);
1245 for (i = 0; i < n_caller_saves; ++i) {
1246 const arch_register_t *reg = caller_saves[i];
1247 arch_set_out_register_req(res, o++, reg->single_req);
1249 assert(o == out_arity);
1251 /* copy pinned attribute */
1252 set_irn_pinned(res, get_irn_pinned(node));
1254 /* IncSP to destroy the call stackframe */
1255 incsp = be_new_IncSP(sp_reg, new_block, incsp, -cconv->param_stack_size, 0);
1256 /* if we are the last IncSP producer in a block then we have to keep
1258 * Note: This here keeps all producers which is more than necessary */
1259 add_irn_dep(incsp, res);
1262 pmap_insert(node_to_stack, node, incsp);
1264 sparc_free_calling_convention(cconv);
1268 static ir_node *gen_Sel(ir_node *node)
1270 dbg_info *dbgi = get_irn_dbg_info(node);
1271 ir_node *block = get_nodes_block(node);
1272 ir_node *new_block = be_transform_node(block);
1273 ir_node *ptr = get_Sel_ptr(node);
1274 ir_node *new_ptr = be_transform_node(ptr);
1275 ir_entity *entity = get_Sel_entity(node);
1277 /* must be the frame pointer all other sels must have been lowered
1279 assert(is_Proj(ptr) && is_Start(get_Proj_pred(ptr)));
1280 /* we should not have value types from parameters anymore - they should be
1282 assert(get_entity_owner(entity) !=
1283 get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
1285 return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity);
1289 * Transform some Phi nodes
1291 static ir_node *gen_Phi(ir_node *node)
1293 const arch_register_req_t *req;
1294 ir_node *block = be_transform_node(get_nodes_block(node));
1295 ir_graph *irg = current_ir_graph;
1296 dbg_info *dbgi = get_irn_dbg_info(node);
1297 ir_mode *mode = get_irn_mode(node);
1300 if (mode_needs_gp_reg(mode)) {
1301 /* we shouldn't have any 64bit stuff around anymore */
1302 assert(get_mode_size_bits(mode) <= 32);
1303 /* all integer operations are on 32bit registers now */
1305 req = sparc_reg_classes[CLASS_sparc_gp].class_req;
1307 req = arch_no_register_req;
1310 /* phi nodes allow loops, so we use the old arguments for now
1311 * and fix this later */
1312 phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
1313 copy_node_attr(irg, node, phi);
1314 be_duplicate_deps(node, phi);
1315 arch_set_out_register_req(phi, 0, req);
1316 be_enqueue_preds(node);
1321 * Transform a Proj from a Load.
1323 static ir_node *gen_Proj_Load(ir_node *node)
1325 ir_node *load = get_Proj_pred(node);
1326 ir_node *new_load = be_transform_node(load);
1327 dbg_info *dbgi = get_irn_dbg_info(node);
1328 long pn = get_Proj_proj(node);
1330 /* renumber the proj */
1331 switch (get_sparc_irn_opcode(new_load)) {
1333 /* handle all gp loads equal: they have the same proj numbers. */
1334 if (pn == pn_Load_res) {
1335 return new_rd_Proj(dbgi, new_load, mode_gp, pn_sparc_Ld_res);
1336 } else if (pn == pn_Load_M) {
1337 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1341 if (pn == pn_Load_res) {
1342 return new_rd_Proj(dbgi, new_load, mode_fp, pn_sparc_Ldf_res);
1343 } else if (pn == pn_Load_M) {
1344 return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
1350 panic("Unsupported Proj from Load");
1353 static ir_node *gen_Proj_Store(ir_node *node)
1355 ir_node *store = get_Proj_pred(node);
1356 ir_node *new_store = be_transform_node(store);
1357 long pn = get_Proj_proj(node);
1359 /* renumber the proj */
1360 switch (get_sparc_irn_opcode(new_store)) {
1362 if (pn == pn_Store_M) {
1367 if (pn == pn_Store_M) {
1374 panic("Unsupported Proj from Store");
1378 * Transform the Projs from a Cmp.
1380 static ir_node *gen_Proj_Cmp(ir_node *node)
1383 panic("not implemented");
1387 * transform Projs from a Div
1389 static ir_node *gen_Proj_Div(ir_node *node)
1391 ir_node *pred = get_Proj_pred(node);
1392 ir_node *new_pred = be_transform_node(pred);
1393 long pn = get_Proj_proj(node);
1395 assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred));
1396 assert(pn_sparc_SDiv_res == pn_sparc_UDiv_res);
1397 assert(pn_sparc_SDiv_M == pn_sparc_UDiv_M);
1400 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
1402 return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
1406 panic("Unsupported Proj from Div");
1409 static ir_node *gen_Proj_Quot(ir_node *node)
1411 ir_node *pred = get_Proj_pred(node);
1412 ir_node *new_pred = be_transform_node(pred);
1413 long pn = get_Proj_proj(node);
1415 assert(is_sparc_fdiv(new_pred));
1418 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_res);
1420 return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_M);
1424 panic("Unsupported Proj from Quot");
1427 static ir_node *gen_Proj_Start(ir_node *node)
1429 ir_node *block = get_nodes_block(node);
1430 ir_node *new_block = be_transform_node(block);
1431 ir_node *barrier = be_transform_node(get_Proj_pred(node));
1432 long pn = get_Proj_proj(node);
1434 switch ((pn_Start) pn) {
1435 case pn_Start_X_initial_exec:
1436 /* exchange ProjX with a jump */
1437 return new_bd_sparc_Ba(NULL, new_block);
1439 return new_r_Proj(barrier, mode_M, 0);
1440 case pn_Start_T_args:
1442 case pn_Start_P_frame_base:
1443 return be_prolog_get_reg_value(abihelper, fp_reg);
1444 case pn_Start_P_tls:
1449 panic("Unexpected start proj: %ld\n", pn);
1452 static ir_node *gen_Proj_Proj_Start(ir_node *node)
1454 long pn = get_Proj_proj(node);
1455 ir_node *block = get_nodes_block(node);
1456 ir_node *new_block = be_transform_node(block);
1457 ir_entity *entity = get_irg_entity(current_ir_graph);
1458 ir_type *method_type = get_entity_type(entity);
1459 ir_type *param_type = get_method_param_type(method_type, pn);
1460 const reg_or_stackslot_t *param;
1462 /* Proj->Proj->Start must be a method argument */
1463 assert(get_Proj_proj(get_Proj_pred(node)) == pn_Start_T_args);
1465 param = &cconv->parameters[pn];
1467 if (param->reg0 != NULL) {
1468 /* argument transmitted in register */
1469 ir_mode *mode = get_type_mode(param_type);
1470 const arch_register_t *reg = param->reg0;
1471 ir_node *value = be_prolog_get_reg_value(abihelper, reg);
1473 if (mode_is_float(mode)) {
1474 /* convert integer value to float */
1475 value = bitcast_int_to_float(NULL, new_block, value);
1479 /* argument transmitted on stack */
1480 ir_node *fp = be_prolog_get_reg_value(abihelper, fp_reg);
1481 ir_node *mem = be_prolog_get_memory(abihelper);
1482 ir_mode *mode = get_type_mode(param->type);
1486 if (mode_is_float(mode)) {
1487 load = new_bd_sparc_Ldf(NULL, new_block, fp, mem, mode,
1488 param->entity, 0, 0, true);
1489 value = new_r_Proj(load, mode_fp, pn_sparc_Ldf_res);
1491 load = new_bd_sparc_Ld(NULL, new_block, fp, mem, mode,
1492 param->entity, 0, 0, true);
1493 value = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
1495 set_irn_pinned(load, op_pin_state_floats);
1501 static ir_node *gen_Proj_Call(ir_node *node)
1503 long pn = get_Proj_proj(node);
1504 ir_node *call = get_Proj_pred(node);
1505 ir_node *new_call = be_transform_node(call);
1507 switch ((pn_Call) pn) {
1509 return new_r_Proj(new_call, mode_M, 0);
1510 case pn_Call_X_regular:
1511 case pn_Call_X_except:
1512 case pn_Call_T_result:
1513 case pn_Call_P_value_res_base:
1517 panic("Unexpected Call proj %ld\n", pn);
1521 * Finds number of output value of a mode_T node which is constrained to
1522 * a single specific register.
1524 static int find_out_for_reg(ir_node *node, const arch_register_t *reg)
1526 int n_outs = arch_irn_get_n_outs(node);
1529 for (o = 0; o < n_outs; ++o) {
1530 const arch_register_req_t *req = arch_get_out_register_req(node, o);
1531 if (req == reg->single_req)
1537 static ir_node *gen_Proj_Proj_Call(ir_node *node)
1539 long pn = get_Proj_proj(node);
1540 ir_node *call = get_Proj_pred(get_Proj_pred(node));
1541 ir_node *new_call = be_transform_node(call);
1542 ir_type *function_type = get_Call_type(call);
1543 calling_convention_t *cconv
1544 = sparc_decide_calling_convention(function_type, true);
1545 const reg_or_stackslot_t *res = &cconv->results[pn];
1546 const arch_register_t *reg = res->reg0;
1550 assert(res->reg0 != NULL && res->reg1 == NULL);
1551 regn = find_out_for_reg(new_call, reg);
1553 panic("Internal error in calling convention for return %+F", node);
1555 mode = res->reg0->reg_class->mode;
1557 sparc_free_calling_convention(cconv);
1559 return new_r_Proj(new_call, mode, regn);
1563 * Transform a Proj node.
1565 static ir_node *gen_Proj(ir_node *node)
1567 ir_node *pred = get_Proj_pred(node);
1569 switch (get_irn_opcode(pred)) {
1571 return gen_Proj_Store(node);
1573 return gen_Proj_Load(node);
1575 return gen_Proj_Call(node);
1577 return gen_Proj_Cmp(node);
1579 return be_duplicate_node(node);
1581 return gen_Proj_Div(node);
1583 return gen_Proj_Quot(node);
1585 return gen_Proj_Start(node);
1587 ir_node *pred_pred = get_Proj_pred(pred);
1588 if (is_Call(pred_pred)) {
1589 return gen_Proj_Proj_Call(node);
1590 } else if (is_Start(pred_pred)) {
1591 return gen_Proj_Proj_Start(node);
1596 panic("code selection didn't expect Proj after %+F\n", pred);
1603 static ir_node *gen_Jmp(ir_node *node)
1605 ir_node *block = get_nodes_block(node);
1606 ir_node *new_block = be_transform_node(block);
1607 dbg_info *dbgi = get_irn_dbg_info(node);
1609 return new_bd_sparc_Ba(dbgi, new_block);
1613 * configure transformation callbacks
1615 void sparc_register_transformers(void)
1617 be_start_transform_setup();
1619 be_set_transform_function(op_Abs, gen_Abs);
1620 be_set_transform_function(op_Add, gen_Add);
1621 be_set_transform_function(op_And, gen_And);
1622 be_set_transform_function(op_be_AddSP, gen_be_AddSP);
1623 be_set_transform_function(op_be_Call, gen_be_Call);
1624 be_set_transform_function(op_be_Copy, gen_be_Copy);
1625 be_set_transform_function(op_be_FrameAddr, gen_be_FrameAddr);
1626 be_set_transform_function(op_be_SubSP, gen_be_SubSP);
1627 be_set_transform_function(op_Call, gen_Call);
1628 be_set_transform_function(op_Cmp, gen_Cmp);
1629 be_set_transform_function(op_Cond, gen_Cond);
1630 be_set_transform_function(op_Const, gen_Const);
1631 be_set_transform_function(op_Conv, gen_Conv);
1632 be_set_transform_function(op_Div, gen_Div);
1633 be_set_transform_function(op_Eor, gen_Eor);
1634 be_set_transform_function(op_Jmp, gen_Jmp);
1635 be_set_transform_function(op_Load, gen_Load);
1636 be_set_transform_function(op_Minus, gen_Minus);
1637 be_set_transform_function(op_Mul, gen_Mul);
1638 be_set_transform_function(op_Mulh, gen_Mulh);
1639 be_set_transform_function(op_Not, gen_Not);
1640 be_set_transform_function(op_Or, gen_Or);
1641 be_set_transform_function(op_Phi, gen_Phi);
1642 be_set_transform_function(op_Proj, gen_Proj);
1643 be_set_transform_function(op_Quot, gen_Quot);
1644 be_set_transform_function(op_Return, gen_Return);
1645 be_set_transform_function(op_Sel, gen_Sel);
1646 be_set_transform_function(op_Shl, gen_Shl);
1647 be_set_transform_function(op_Shr, gen_Shr);
1648 be_set_transform_function(op_Shrs, gen_Shrs);
1649 be_set_transform_function(op_Start, gen_Start);
1650 be_set_transform_function(op_Store, gen_Store);
1651 be_set_transform_function(op_Sub, gen_Sub);
1652 be_set_transform_function(op_SymConst, gen_SymConst);
1653 be_set_transform_function(op_Unknown, gen_Unknown);
1655 be_set_transform_function(op_sparc_Save, be_duplicate_node);
1658 /* hack to avoid unused fp proj at start barrier */
1659 static void assure_fp_keep(void)
1661 unsigned n_users = 0;
1662 const ir_edge_t *edge;
1663 ir_node *fp_proj = be_prolog_get_reg_value(abihelper, fp_reg);
1665 foreach_out_edge(fp_proj, edge) {
1666 ir_node *succ = get_edge_src_irn(edge);
1667 if (is_End(succ) || is_Anchor(succ))
1673 ir_node *block = get_nodes_block(fp_proj);
1674 ir_node *in[1] = { fp_proj };
1675 be_new_Keep(block, 1, in);
1680 * Transform a Firm graph into a SPARC graph.
1682 void sparc_transform_graph(sparc_code_gen_t *cg)
1684 ir_graph *irg = cg->irg;
1685 ir_entity *entity = get_irg_entity(irg);
1686 ir_type *frame_type;
1688 sparc_register_transformers();
1691 node_to_stack = pmap_create();
1696 abihelper = be_abihelper_prepare(irg);
1697 be_collect_stacknodes(abihelper);
1698 cconv = sparc_decide_calling_convention(get_entity_type(entity), false);
1699 create_stacklayout(irg);
1701 be_transform_graph(cg->irg, NULL);
1704 be_abihelper_finish(abihelper);
1705 sparc_free_calling_convention(cconv);
1707 frame_type = get_irg_frame_type(irg);
1708 if (get_type_state(frame_type) == layout_undefined)
1709 default_layout_compound_type(frame_type);
1711 pmap_destroy(node_to_stack);
1712 node_to_stack = NULL;
1714 be_add_missing_keeps(irg);
1717 void sparc_init_transform(void)
1719 FIRM_DBG_REGISTER(dbg, "firm.be.sparc.transform");